src/third_party/mozjs-45/js/src/tests/js1_5/extensions/regress-313763.js

/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

//-----------------------------------------------------------------------------
var BUGNUMBER = 313763;
var summary = 'Root jsarray.c creatures';
var actual = '';
var expect = '';

printBugNumber(BUGNUMBER);
printStatus (summary);
printStatus ('This bug requires TOO_MUCH_GC');

var N = 0x80000002;
var array = Array(N);
array[N - 1] = 1;
array[N - 2] = 2;

// Set getter not to wait until engine loops through 2^31 holes in the array.
var LOOP_TERMINATOR = "stop_long_loop";
array.__defineGetter__(N - 2, function() {
			 throw "stop_long_loop";
		       });

var prepared_string = String(1);
array.__defineGetter__(N - 1, function() {
			 var tmp = prepared_string;
			 prepared_string = null;
			 return tmp;
		       })


  try {
    array.unshift(1);
  } catch (e) {
    if (e !== LOOP_TERMINATOR)
      throw e;
  }

var expect = "1";
var actual = array[N];
printStatus(expect === actual);

reportCompare(expect, actual, summary);